Two large containers A and B of the same size are fille
Chapter 3, Problem 3.1.16(choose chapter or problem)
Two large containers A and B of the same size are fille with different fluids. The fluids in containers A and B are maintained at 0 C and 100 C, respectively. A small metal bar, whose initial temperature is 100 C, is lowered into container A. After 1 minute the temperature of the bar is 90 C. After 2 minutes the bar is removed and instantly transferred to the other container. After 1 minute in container B the temperature of the bar rises 10. How long, measured from the start of the entire process, will it take the bar to reach 99.9 C?
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